Home / 1,955.07-2,697.89-1,070.71

Finding the Fourth Proportional to 1,955.07, 2,697.89 and 1,070.71

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Solution

The fourth proportional to 1,955.07, 2,697.89 and 1,070.71 is: 1,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.07 : 2,697.89 = 1,070.71 : x
  2. Step 2: Convert to fraction form
    1,955.07/2,697.89 = 1,070.71/x
  3. Step 3: Cross multiply
    1,955.07x = 2,697.89 × 1,070.71
  4. Step 4: Simplify right side
    1,955.07x = 2,888,645.70
  5. Step 5: Solve for x
    x = 2,888,645.70/1,955.07
  6. Step 6: Final answer
    x = 1,477.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.